Essential for safety, the HERMS optoelectronic hood protects the welders face and eyes from UV, infrared and splashes. Fully automatic, the mask switches from clear to tinted state in a fraction of a second as soon as it is primed. Comes with a headband, it frees the hands of the welder and offers all the necessary comfort for welding work. HERMES SILVER REF.040908 CHARACTERISTICS TECHNICAL DATA Protection UV/IR DIN 15 Classification 1/1/1/2 Clear shade 4 Dark shade 9 >13 Reaction speed 0ᅎ ms Back to clear speed 0ᄺ > 1 sec Field of vision 98 x 43 mm Power supply solar + 2 batteries (CR 2032) Weight 520 g Settings Sensitivity, delay, shade, grinding Light sensor 2 Applications MMA 5?400 / TIG 5?300 / MIG-MAG 5?400 Standards / EN 175F / EN 166 / EN 379